On April 3 through 4, 1974, a super outbreak of tornadoes caused extensive damage and loss of life across 13 states and Ontario in Canada. At least 148 tornadoes touched down in 16 hours, killing 330 people and injuring 5,484.
On April 3-4, 1974, a super outbreak of tornadoes caused widespread damage in 13 states and Ontario, Canada. At least 148 tornadoes touched down in 16 hours, killing 330 and injuring at least 5,484 people, including indirect storm-related deaths. At least a dozen tornadoes swept through western and southern Ohio.